Wolfbein, Seymur L.
Science Research Assicuates, 1964
Buku Teks
Oxford Oxford University Press, 1993
Buku Teks
Dijk, Teun A. van, 1943-, author
Cambridge Univ Press, 2009
Buku Teks
Lester, Jessica N., Author
Sage, 2019
Buku Teks
Brown, Penelope, author
Cambridge University Press , 1987
Buku Teks